作为一名微商，你卖的产品你用过吗？

As a wechat business, you sell products you used?

youdao

你听过或见过这一结构的例子吗？你自己用过吗？

Have you heard or seen examples of this construction? Do you use it yourself?

youdao

您有使用过吗？

Have you tried to use it?

youdao

I just turned it on literally this morning to start playing and I'm on myself a couple of email lists, one of which had an email this morning saying, "Hey, has anyone tried this, it really kind of sucks."

今天早上我就碰到这样的情况了,我收到了两份邮件单，其中一份有一封邮件说，嗨，有人用过这个了吗，真是糟透了“

哈佛公开课 - 计算机科学课程节选

Okay, a number of you. Young lady out there, did you use musical notation?

好的,相当一部分都有过,这位年轻的女士,你用乐谱吗

耶鲁公开课 - 聆听音乐课程节选

In fact, Shakespeare used it, but what do you think it meant?

事实上,莎士比亚用过,但你知道它代表什么吗

耶鲁公开课 - 金融市场课程节选